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improve grid 'visible'

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This commit is contained in:
Robert McRackan 2022-05-11 10:49:41 -04:00
parent c3871d3bca
commit 4138183352
1 changed files with 12 additions and 3 deletions
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15
Source/LibationWinForms/grid/ProductsGrid.cs
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@ -35,6 +35,7 @@ namespace LibationWinForms
public partial class ProductsGrid : UserControl public partial class ProductsGrid : UserControl
{ {
/// <summary>Visible rows have changed</summary>
public event EventHandler<int> VisibleCountChanged; public event EventHandler<int> VisibleCountChanged;
// alias // alias
@ -208,6 +209,8 @@ namespace LibationWinForms
if (_dataGridView.Rows.Count == 0) if (_dataGridView.Rows.Count == 0)
return; return;
var initVisible = getVisible().Count();
var searchResults = SearchEngineCommands.Search(searchString); var searchResults = SearchEngineCommands.Search(searchString);
var productIds = searchResults.Docs.Select(d => d.ProductId).ToList(); var productIds = searchResults.Docs.Select(d => d.ProductId).ToList();
@ -224,15 +227,21 @@ namespace LibationWinForms
// Causes repainting of the DataGridView // Causes repainting of the DataGridView
bindingContext.ResumeBinding(); bindingContext.ResumeBinding();
VisibleCountChanged?.Invoke(this, GetVisible().Count());
var endVisible = getVisible().Count();
if (initVisible != endVisible)
VisibleCountChanged?.Invoke(this, endVisible);
} }
#endregion #endregion
internal IEnumerable<DataLayer.LibraryBook> GetVisible() private IEnumerable<DataGridViewRow> getVisible()
=> _dataGridView => _dataGridView
.AsEnumerable() .AsEnumerable()
.Where(row => row.Visible) .Where(row => row.Visible);
internal List<DataLayer.LibraryBook> GetVisible()
=> getVisible()
.Select(row => ((GridEntry)row.DataBoundItem).LibraryBook) .Select(row => ((GridEntry)row.DataBoundItem).LibraryBook)
.ToList(); .ToList();